EP0151031A3 - Improved drill bit manufacturing method - Google Patents

Improved drill bit manufacturing method Download PDF

Info

Publication number
EP0151031A3
EP0151031A3 EP85300615A EP85300615A EP0151031A3 EP 0151031 A3 EP0151031 A3 EP 0151031A3 EP 85300615 A EP85300615 A EP 85300615A EP 85300615 A EP85300615 A EP 85300615A EP 0151031 A3 EP0151031 A3 EP 0151031A3
Authority
EP
European Patent Office
Prior art keywords
drill bit
improved drill
bit manufacturing
manufacturing
improved
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP85300615A
Other versions
EP0151031A2 (en
EP0151031B1 (en
Inventor
John Denzil Barr
Richard Haydn Lamb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NL Industries Inc
Original Assignee
NL Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NL Industries Inc filed Critical NL Industries Inc
Publication of EP0151031A2 publication Critical patent/EP0151031A2/en
Publication of EP0151031A3 publication Critical patent/EP0151031A3/en
Application granted granted Critical
Publication of EP0151031B1 publication Critical patent/EP0151031B1/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Earth Drilling (AREA)
EP85300615A 1984-01-31 1985-01-30 Improved drill bit manufacturing method Expired EP0151031B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/575,555 US4605157A (en) 1984-01-31 1984-01-31 Drill bit manufacturing method
US575555 1984-01-31

Publications (3)

Publication Number Publication Date
EP0151031A2 EP0151031A2 (en) 1985-08-07
EP0151031A3 true EP0151031A3 (en) 1986-05-14
EP0151031B1 EP0151031B1 (en) 1988-08-24

Family

ID=24300781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85300615A Expired EP0151031B1 (en) 1984-01-31 1985-01-30 Improved drill bit manufacturing method

Country Status (6)

Country Link
US (1) US4605157A (en)
EP (1) EP0151031B1 (en)
CA (1) CA1264238A (en)
DE (1) DE3564542D1 (en)
GB (2) GB2153727B (en)
IE (1) IE56195B1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4676124A (en) * 1986-07-08 1987-06-30 Dresser Industries, Inc. Drag bit with improved cutter mount
GB8725670D0 (en) * 1987-11-03 1987-12-09 Reed Tool Co Manufacture of rotary drill bits
GB8811421D0 (en) * 1988-05-13 1988-06-15 Int Grinding & Abrasives Inc Tipped cutters
EP0511200A1 (en) * 1991-05-16 1992-10-28 ROCBO Werkzeug Gesellschaft m.b.H. Drill bit respectively cutter
US5333699A (en) * 1992-12-23 1994-08-02 Baroid Technology, Inc. Drill bit having polycrystalline diamond compact cutter with spherical first end opposite cutting end
US5452770A (en) * 1994-08-30 1995-09-26 Briscoe Tool Company Rock bit and improved forging method for manufacturing thereof
US20080223622A1 (en) * 2007-03-13 2008-09-18 Duggan James L Earth-boring tools having pockets for receiving cutting elements therein and methods of forming such pockets and earth-boring tools
US20100108401A1 (en) 2008-11-06 2010-05-06 National Oilwell Varco, L.P. Resilient Bit Systems and Methods
GB2466466B (en) * 2008-12-22 2013-06-19 Cutting & Wear Resistant Dev Wear piece element and method of construction
US9683415B2 (en) 2008-12-22 2017-06-20 Cutting & Wear Resistant Developments Limited Hard-faced surface and a wear piece element
US8689911B2 (en) * 2009-08-07 2014-04-08 Baker Hughes Incorporated Cutter and cutting tool incorporating the same
US8776913B2 (en) * 2010-10-15 2014-07-15 Smith International, Inc. Special curve braze sheet for top loading cutter to get better braze strength
JOP20200150A1 (en) 2011-04-06 2017-06-16 Esco Group Llc Hardfaced wearpart using brazing and associated method and assembly for manufacturing
MX336818B (en) 2011-04-26 2016-02-02 Smith International Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s).
US9739097B2 (en) 2011-04-26 2017-08-22 Smith International, Inc. Polycrystalline diamond compact cutters with conic shaped end
US8336648B1 (en) * 2011-09-02 2012-12-25 Halliburton Energy Services, Inc. Mechanical attachment of thermally stable diamond to a substrate
CA2860627A1 (en) 2012-01-31 2013-08-08 Esco Corporation Wear resistant material and system and method of creating a wear resistant material

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE584413C (en) * 1932-05-27 1933-09-19 Richard Braun Sheet-shaped intermediate layer with solder on both sides for slot soldering
US2018073A (en) * 1933-03-25 1935-10-22 Eisler Electric Corp Electrode or contact mechanism
GB686120A (en) * 1950-03-16 1953-01-21 Bois Company Ltd Du Improvements in or relating to flux-cored solders
DE2117498A1 (en) * 1970-04-20 1971-11-04 Aeroquip Ag Cuff for making a soldered connection
DE2212555A1 (en) * 1971-03-19 1972-10-05 Commissariat Energie Atomique Method of connecting a tube made of niobium to a tube made of stainless steel
US4334585A (en) * 1980-07-14 1982-06-15 Smith International, Inc. Insert retention and cooling apparatus for drag bits
EP0083760A2 (en) * 1982-01-06 1983-07-20 Jobst Ulrich Gellert Injection molding manifold member and method of manufacture

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB415221A (en) * 1933-03-25 1934-08-23 Clements Albert Laise Improvements in or relating to methods of uniting metal articles by fusion and resulting products such as electric contact assemblies
GB637237A (en) * 1947-01-10 1950-05-17 Rip Bits Ltd Improvements in and relating to rock drills
GB707021A (en) * 1951-03-01 1954-04-07 Skf Svenska Kullagerfab Ab Improvements relating to rock drills
GB706058A (en) * 1951-06-15 1954-03-24 Metro Cutanit Ltd Method of securing shaped pieces of hard metal into carrier bodies by soldering or brazing
US3078551A (en) * 1958-08-05 1963-02-26 Patriarca Peter Method of making a tube and plate connection
US3052310A (en) * 1959-08-31 1962-09-04 Robert B Kinzbach Combined reamer and drill string stabilizer
GB997525A (en) * 1964-04-27 1965-07-07 Gardner Denver Co Drilling tool and method of making the same
US3279047A (en) * 1965-04-02 1966-10-18 Joseph M Cumberland Extracting tools
US4073354A (en) * 1976-11-26 1978-02-14 Christensen, Inc. Earth-boring drill bits
US4350215A (en) * 1978-09-18 1982-09-21 Nl Industries Inc. Drill bit and method of manufacture
US4271917A (en) * 1979-04-09 1981-06-09 Syndrill Products Joint Venture Locking device for hard metal inserts

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE584413C (en) * 1932-05-27 1933-09-19 Richard Braun Sheet-shaped intermediate layer with solder on both sides for slot soldering
US2018073A (en) * 1933-03-25 1935-10-22 Eisler Electric Corp Electrode or contact mechanism
GB686120A (en) * 1950-03-16 1953-01-21 Bois Company Ltd Du Improvements in or relating to flux-cored solders
DE2117498A1 (en) * 1970-04-20 1971-11-04 Aeroquip Ag Cuff for making a soldered connection
DE2212555A1 (en) * 1971-03-19 1972-10-05 Commissariat Energie Atomique Method of connecting a tube made of niobium to a tube made of stainless steel
US4334585A (en) * 1980-07-14 1982-06-15 Smith International, Inc. Insert retention and cooling apparatus for drag bits
EP0083760A2 (en) * 1982-01-06 1983-07-20 Jobst Ulrich Gellert Injection molding manifold member and method of manufacture

Also Published As

Publication number Publication date
IE56195B1 (en) 1991-05-08
US4605157A (en) 1986-08-12
CA1264238A (en) 1990-01-09
GB8720205D0 (en) 1987-10-07
DE3564542D1 (en) 1988-09-29
GB2153727A (en) 1985-08-29
GB8502305D0 (en) 1985-03-27
EP0151031A2 (en) 1985-08-07
IE850221L (en) 1985-07-31
EP0151031B1 (en) 1988-08-24
GB2153727B (en) 1988-05-25

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